Cheryl Watson’s Tuning Letter

2004 Tuning Letters

Access the 2004 Tuning Letter Downloads

No. 6 (48 pages)

Management Summary
News
  • Interesting APARs
  • Nuggets from Forums
  • WSC News
  • The Net
  • Publications
User Experiences
  • Tape Allocation Delays
  • Incorrect WLM Data
  • WLM Overhead
  • PARMLIB Processing
  • Measuring IPL Speed
  • 2084 Crypto
Q & A
  • WLM Missing Goals
  • Multi-Period Batch
  • SMB Buffers
  • System Address Spaces
  • SMF Switch Update
  • ISRDDN Diagnostic Tool
What’s New?
  • VSAM RLS Changes
  • CICS/Batch Facility
Cheryl’s List Blog Posts
  • Blog Entries

No. 5 (58 pages)

Management Summary
  • Passing the Baton
  • What’s New in SMF?
  • IOPs – the ‘Shrinking Violets’ of I/O Processing
  • User Experiences and Tips
  • News You Can Use
News
  • New SMF APARs
  • MP Effects on zAAPs
  • Interesting APARs
  • Managing LPAR States
  • WSC News
  • The Net
  • Publications
  • On the Light Side
SHARE Trip Report 8/04
  • Important APARs
  • Miscellaneous Notes
  • WebSphere Update
Hot Flashes # 12
  • Survey Questions
  • Interesting Items
  • z990 Update
zAAP Update
  • Review
  • Ways to Use zAAPs
  • RMF Support
  • SMF Support
  • Other zAAP Changes
  • Chargeback Items
What’s New?
  • z/OS 1.6 & z/OS.e 1.6
  • z/OS 1.7 Preview
  • Pricing Update
  • G6 Withdrawn
Cheryl’s List Blog Posts
  • Blog Entries

No. 4 (40 pages)

Management Summary
News
  • Interesting APARs
  • Nuggets from Forums
  • WSC News
  • The Net
  • Publications
  • On the Light Side
zAAP Update
  • RMF Record Changes
  • RMF Reporting Changes
  • Planning for the zAAP
User Experiences
  • Uncaptured CPU Time
  • VSAM 
  • Data Set Activity
  • SMF Buffers
  • WLM Managed Inits
  • SMF Switch
  • CICS MAXTASK
  • Console Performance
  • Listing WLM SDs
  • Scope of DISP Parm
Q & A
  • SDSF CPU Time
  • Dynamic PAVs
  • WLM Reset Behavior
  • CICS Dump Speed

No. 3 (44 pages)

Management Summary
  • Hot Flashes #25
  • Who is Cheryl Watson? 
  • SMF Type 113s
  • z196 Power Saving Mode
  • z/OS Releases
  • IPL Avoidance
News
  • Interesting APARs 
  • FICON Update 
  • Nuggets from Forums
  • WSC News
  • The Net
  • Publications
  • On the Light Side 
Focus: SMF Type
  • CPU Fields 
  • Observed Values
  • Problems
  • Summary 
Q & A
  • Velocity Goals
  • Resource Groups
  • Uni-Processor & WLM 
What’s New?
  • DB2 Version 8 
  • OpenSSH on z/OS
Cheryl’s List Blog Posts

No. 2 (58 pages)

Management Summary
Focus: LSPR Update
  • History 
  • IBM’s Sizing Tools 
  • New Workloads 
  • z900 LSPRs 
  • z990 LSPRs 
  • z890 LSPRs 
  • Bibliography 
Focus: z990 Expectations
  • BoxScore Results 
  • Reasons 
  • z900 to z990 Migration 
  • More BoxScore Results 
  • Observations 
  • Our Recommendations 
Processor Upgrades
  • Typical Problems 
  • Moving to Faster CPs 
  • Moving to Fewer CPs 
What’s New?
  • z890 
  • zAAP 
  • “Baby” Shark 
  • z990 Enhancements 
  • z/OS 1.6 Additions 
  • Other Announcements 
  • Control Block Updates 
  • ECMB Update 
  • Change in Throughput 
Cheryl’s List Blog Posts
Supplements
  • zSeries CPU Chart – Apr 2004
  • OS/390 CPU Chart – Apr 2004

No. 1 (50 pages)

Management Summary
News
  • Interesting APARs
  • Extended CMBs
  • Statistical Humor
  • WSC News
  • The Net
  • Publications
Console Structure Update
Multilevel Security (MLS)
Cheryl’s Hot Flashes
SHARE Trip Report
  • z/OS 1.5
  • z/OS UNIX Update
  • Interesting Notes
What’s New?
  • z/OS 1.5
Cheryl’s List Blog Posts
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